Stretcher



FIG. 1 is a top perspective view of a stretcher showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left/right side elevational view thereof; and,

FIG. 6 is an end plan view thereof. 

The ornamental design for a stretcher, as shown and described. 